WO2019136656A1 - Procédé et dispositif d'attribution de ressources - Google Patents

Procédé et dispositif d'attribution de ressources Download PDF

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Publication number
WO2019136656A1
WO2019136656A1 PCT/CN2018/072217 CN2018072217W WO2019136656A1 WO 2019136656 A1 WO2019136656 A1 WO 2019136656A1 CN 2018072217 W CN2018072217 W CN 2018072217W WO 2019136656 A1 WO2019136656 A1 WO 2019136656A1
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WO
WIPO (PCT)
Prior art keywords
information
bwp
control resource
resource set
configuration information
Prior art date
Application number
PCT/CN2018/072217
Other languages
English (en)
Chinese (zh)
Inventor
沈嘉
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to AU2018402131A priority Critical patent/AU2018402131A1/en
Priority to CN202010463072.5A priority patent/CN111698781B/zh
Priority to EP18899783.7A priority patent/EP3749028B1/fr
Priority to KR1020207023088A priority patent/KR20200108327A/ko
Priority to JP2020537687A priority patent/JP2021515995A/ja
Priority to PCT/CN2018/072217 priority patent/WO2019136656A1/fr
Priority to CN201880066732.7A priority patent/CN111226477A/zh
Priority to TW108101249A priority patent/TW201931923A/zh
Publication of WO2019136656A1 publication Critical patent/WO2019136656A1/fr
Priority to US16/879,617 priority patent/US20200288447A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0092—Indication of how the channel is divided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • Embodiments of the present invention relate to the field of communications, and, more particularly, to a method and apparatus for resource configuration. Background technique
  • a Physical Downlink Control Channel (PDCCH) is transmitted in a Control Resource Set (CORESET).
  • CORESET Control Resource Set
  • the system bandwidth in the 5G system can be divided into multiple Bandwidth Parts (BWPs), and the terminal device can use different BWPs according to the indications of the network devices. Therefore, how to flexibly transmit PDCCH and improve transmission efficiency in different frequency domain resources has become an urgent problem to be solved.
  • the embodiments of the present invention provide a method and a device for resource configuration, which can flexibly perform PDCCH transmission and improve transmission efficiency in different frequency domain resources.
  • the first aspect provides a resource configuration method, including: receiving, by a terminal device, resource configuration information sent by a network device, where the resource configuration information is used to indicate resources between the M bandwidth segment BWPs and the N control resource sets.
  • the mapping relationship, M and N are positive integers; the terminal device monitors the physical downlink sent by the network device on the at least one control resource set corresponding to the target BWP used by the terminal device, based on the resource mapping relationship Control channel PDCCH.
  • the network device may send the PDCCH by using different control resource sets. Accordingly, the terminal device performs the PDCCH on the control resource set corresponding to the currently used BWP.
  • the monitoring enables flexible transmission of the PDCCH in different frequency domain resources, improves transmission efficiency, and reduces power consumption of the terminal device.
  • the resource configuration information includes configuration information of each of the M BWPs, where configuration information of the i-th B WP of the M BWPs includes the i-th BWP Information, and information of at least one control resource set corresponding to the i-th BWP, where i is from 0 to M-1.
  • each BWP since the configuration information of each BWP carries the information of the control resource set corresponding to the BWP, there is no need to separately control the resource set and control the resource set and the BWP.
  • the resource mapping relationship is indicated, which saves signaling overhead, and facilitates the terminal device to quickly determine at least one control resource set corresponding to each BWP.
  • the method before the terminal device monitors the PDCCH sent by the network device, the method further includes: the terminal device acquiring, from the configuration information of the target BWP, the target BWP Corresponding information of the at least one control resource set.
  • the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes the frequency occupied by each control resource set in the i-th BWP Information about domain resources.
  • the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes information about time domain resources used by the control resource set to monitor the PDCCH. .
  • the information about the time domain resource includes information for monitoring a time slot or a symbol of the PDCCH.
  • the resource configuration information includes configuration information of each of the M BWPs and configuration information of each of the N control resource sets.
  • the configuration information of the i-th BWP of the M BWPs includes the information of the i-th BWP
  • the configuration information of the j-th control resource set of the N control resource sets includes the j-th control
  • the configuration information of the CORESET and the configuration information of the BWP are indicated by independent fields, and the index of the BWP corresponding to the CORESET is added to the configuration information of each CORESET, and a more flexible CORESET can be realized compared to the form 1. Configuration.
  • the method before the terminal device monitors the PDCCH sent by the network device, the method further includes: the terminal device selecting, in the configuration information of the N control resource sets, a carrier Determining at least one configuration information of an index of the target BWP, and acquiring information of the at least one control resource set corresponding to the target BWP from the at least one configuration information that carries an index of the target BWP.
  • the information of the jth control resource set includes information of a frequency domain resource occupied by the jth control resource set in a BWP corresponding to the jth control resource set.
  • the information of the jth control resource set further includes information that the jth control resource is used to monitor a time domain resource of the PDCCH.
  • the information about the time domain resource includes a PDCCH for monitoring Information about time slots or symbols.
  • the second aspect provides a method for resource configuration, including: the network device sends resource configuration information to the terminal device, where the resource configuration information is used to indicate resource mapping between the M bandwidth segment BWPs and the N control resource sets. Relationship, M and N are positive integers.
  • the network device may send the PDCCH by using different control resource sets. Accordingly, the terminal device performs the PDCCH on the control resource set corresponding to the currently used BWP.
  • the monitoring enables flexible transmission of the PDCCH in different frequency domain resources, improves transmission efficiency, and reduces power consumption of the terminal device.
  • the method further includes: the network device sending, to the terminal device, a physical downlink control channel PDCCH in at least one control resource set corresponding to the target BWP used by the terminal device.
  • the resource configuration information includes configuration information of each of the M BWPs, where configuration information of the i-th B WP of the M BWPs includes the i-th BWP Information, and information of at least one control resource set corresponding to the i-th BWP, where i is from 0 to M-1.
  • the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes the occupied by the control resource set in the i-th BWP.
  • Information about frequency domain resources includes the occupied by the control resource set in the i-th BWP.
  • the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes information about time domain resources used to transmit the PDCCH in each control resource set. .
  • the information of the time domain resource includes information for transmitting a time slot or a symbol of the PDCCH.
  • the resource configuration information includes configuration information of each of the M BWPs and configuration information of each of the N control resource sets.
  • the configuration information of the i-th BWP of the M BWPs includes the information of the i-th BWP
  • the configuration information of the j-th control resource set of the N control resource sets includes the j-th control
  • the information of the jth control resource set includes information of frequency domain resources occupied by the jth control resource set in the BWP corresponding to the jth control resource set. In a possible implementation manner, the information of the jth control resource set further includes information about the time domain resource used for transmitting the PDCCH in the jth control resource set.
  • the information of the time domain resource includes information for transmitting a time slot or a symbol of the PDCCH.
  • a terminal device which can perform the operations of the terminal device in any of the foregoing aspects or the optional implementation of the first aspect.
  • the terminal device may comprise a modular unit for performing the operations of the terminal device in any of the above-described first aspects or any of the possible implementations of the first aspect.
  • a network device which can perform the operations of the network device in the second aspect or any optional implementation of the second aspect.
  • the network device may comprise a modular unit for performing the operations of the network device in any of the possible implementations of the second aspect or the second aspect described above.
  • a terminal device comprising: a processor, a transceiver, and a memory.
  • the processor, the transceiver, and the memory communicate with each other through an internal connection path.
  • the memory is for storing instructions for executing instructions stored by the memory.
  • the processor executes the instruction stored by the memory, the executing causes the terminal device to perform the method in the first aspect or any possible implementation manner of the first aspect, or the execution causes the terminal device to implement the terminal provided by the third aspect device.
  • a network device comprising: a processor, a transceiver, and a memory.
  • the processor, the transceiver, and the memory communicate with each other through an internal connection path.
  • the memory is for storing instructions for executing instructions stored by the memory.
  • the processor executes the instruction stored by the memory, the executing causes the network device to perform the method in any of the possible implementations of the second aspect or the second aspect, or the execution causes the network device to implement the network provided by the fourth aspect device.
  • a system chip in a seventh aspect, includes an input interface, an output interface, a processor, and a memory, the processor is configured to execute an instruction stored by the memory, and when the instruction is executed, the processor can implement the foregoing The method of any of the first aspect or any of the possible implementations of the first aspect.
  • a system chip in an eighth aspect, includes an input interface, an output interface, a processor, and a memory, the processor is configured to execute an instruction stored by the memory, and when the instruction is executed, the processor can implement the foregoing The method of any of the second aspect or any possible implementation of the second aspect.
  • a computer program product comprising instructions for causing a computer to execute the method of any of the first aspect or the first aspect of the first aspect, when the computer program product is run on a computer.
  • a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of the second aspect or the second aspect of the second aspect.
  • FIG. 1 is a schematic diagram of a wireless communication system in accordance with an embodiment of the present application.
  • FIG. 2 is a flow interaction diagram of a method for resource configuration according to an embodiment of the present invention.
  • FIG. 3 is a schematic illustration of BWP and CORESET in accordance with an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of BWP and CORESET according to an embodiment of the present invention.
  • FIG. 5 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 6 is a schematic block diagram of a network device according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a communication device according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a system chip according to an embodiment of the present invention. Detailed ways
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include a network device 110.
  • Network device 100 can be a device that communicates with a terminal device.
  • Network device 100 can provide communication coverage for a particular geographic area and can communicate with terminal devices (e.g., UEs) located within the coverage area.
  • terminal devices e.g., UEs
  • the network device 100 can be GSM a base station (Base Transceiver Station, BTS) in a system or a CDMA system, or a base station (NodeB, NB) in a WCDMA system, or an evolved base station (Evolved Node B, eNB or eNodeB) in an LTE system, or Is a wireless controller in a Cloud Radio Access Network (CRAN), or the network device can be a relay station, an access point, an in-vehicle device, a wearable device, a network-side device in a future 5G network, or a future evolution Network equipment in the Public Land Mobile Network (PLMN).
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolved Node B, eNB or eNodeB evolved base station
  • CRAN Cloud Radio Access Network
  • the network device can be a relay station, an access point, an in-vehicle device, a wearable device, a network-side device in
  • the wireless communication system 100 also includes at least one terminal device 120 located within the coverage of the network device 110.
  • Terminal device 120 can be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, a user equipment (UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • terminal to device (D2D) communication can be performed between the terminal devices 120.
  • D2D terminal to device
  • the 5G system or network may also be referred to as a New Radio (NR) system or network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.
  • the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.
  • network entities such as a network controller, a mobility management entity, and the like.
  • the system bandwidth can be divided into multiple Bandwidth Part (BWP) (or bandwidth part, transmission bandwidth, etc.), and the network device can indicate to the terminal device the BWP used by the terminal device, the terminal.
  • BWP Bandwidth Part
  • the device can use different BWP to transmit data. If the PDCCH is still monitored according to the fixed CORESET configured by the network device, the transmission efficiency of the PDCCH is reduced, and the power consumption of the terminal device is increased.
  • the CORESET for transmitting the PDCCH in different BWPs can be a live configuration, when the terminal device uses different BWPs, the network device sends the PDCCH by using at least one CORESET configured for the BWP, and the terminal device monitors the PDCCH in at least one CORESET configured for the BWP, thereby being flexible in different frequency domain resources.
  • the transmission of the PDCCH improves the transmission efficiency and reduces the power consumption of the terminal device.
  • the method for configuring a resource includes: In 210, a network device sends resource configuration information to a terminal device.
  • the terminal device receives the resource configuration information sent by the network device.
  • the resource configuration information is used to indicate a resource mapping relationship between the M BWPs and the N control resource sets, where M and N are positive integers.
  • the method further includes 230.
  • the network device sends a PDCCH to the terminal device in at least one control resource set corresponding to the target BWP used by the terminal device.
  • the terminal device monitors the PDCCH sent by the network device according to the resource mapping relationship in at least one control resource set corresponding to the target BWP used by the terminal device.
  • each BWP may correspond to at least one control resource set, and at least one control resource set corresponding to any two different BWPs may be the same, partially the same, or different.
  • the network device may send the PDCCH by using a different control resource set, and the terminal device performs PDCCH monitoring in the control resource set corresponding to the currently used BWP (or It is called interception, detection, detection, etc., so that flexible transmission of PDCCH can be realized in different frequency domain resources, the transmission efficiency is improved, and the power consumption of the terminal device is reduced.
  • the resource mapping relationship may be determined by the network device and configured by the resource configuration information to the terminal device, or may be agreed in advance by, for example, a protocol between the network device and the terminal device.
  • the resource configuration information used to indicate the resource mapping relationship may have the following two forms, which are separately described below.
  • the resource configuration information includes configuration information of each of the M BWPs.
  • the configuration information of the i-th BWP in the M BWPs includes the information of the i-th BWP, and Information of at least one control resource set corresponding to the i-th BWP, i from 0 to M1 (i traversing 0 to M-1).
  • the configuration information of the M BWPs may occupy M independent fields respectively, wherein the configuration information of each BWP is carried in a dedicated continuous field thereof, and the BWP is carried in a field specific to the configuration information of each BWP.
  • the fields here may also be referred to as a sequence, a field, an information field, and the like.
  • the configuration information of the i-th BWP may carry some information related to the i-th BWP, such as parameter information, resource location information, information of the PDCCH, information of a Physical Downlink Shared Channel (PDSCH), and physical Information such as the Physical Random Access Channel (RACH).
  • the configuration information of the i-th BWP includes not only the foregoing information but also information of at least one control resource set corresponding to the i-th BWP.
  • the information of the at least one control resource set corresponding to the i-th BWP is subordinate to the configuration information of the BWP, and occupies a part of a field specific to the configuration information of the BWP.
  • the terminal device may obtain information about the BWP itself and information of at least one control resource set corresponding to the BWP from the configuration information of each B WP.
  • the network device When the terminal device currently uses the target BWP for data transmission, the network device sends a PDCCH to the terminal device on the at least one control resource set corresponding to the target BWP, and correspondingly, the terminal device uses at least one control resource set corresponding to the target BWP that is used by the terminal device. Detecting the sending of network devices
  • the information of each control resource set in the at least one control resource set carried in the configuration information of the i-th BWP includes information about frequency domain resources occupied by the control resource set in the i-th BWP.
  • each control resource set in the at least one control resource set corresponding to the ith BWP may further include information for monitoring the time domain resource of the PDCCH in each control resource set (also It may be referred to as a search space, such as information for monitoring a time slot or symbol of a PDCCH.
  • the terminal device may obtain the target BWP from the configuration information of the target B WP.
  • the configuration information of B WP 0 includes information of BWP 0 and information of at least one CORESET (CORESET 0, CORESET 1, CORESET 2, and CORESET 3) corresponding to the BWP 0, wherein the information of each CORESET includes the CORESET.
  • the information of the frequency domain resource occupied in BWP 0; the configuration information of BWP 1 includes the information of B WP 1 and the information of at least one CORESET (CORESET 0 and CORESET 1 ) corresponding to the BWP 1, wherein each CORESET information includes The information of the frequency domain resource occupied by the CORESET in the BWP 1; the configuration information of the BWP 2 includes the information of the BWP 2 and the information of at least one CORESET (CORESET 0, CORESET 1 and CORESET 2 ) corresponding to the BWP 2, wherein each The information of the CORESET includes the information of the frequency domain resource occupied by the CORESET in the BWP 2; the configuration information of the BWP 3 includes the information of the BWP 3 and the information of at least one CORESET (CORESET 0 and CORESET 1 ) corresponding to the BWP 3, wherein The information of each CORESET includes information of the frequency domain resources occupied by the CORESET in the BWP 4.
  • the information of the BWP and the information of at least one CORESET corresponding to the BWP are carried in the configuration information of each BWP.
  • the configuration information of different BWPs can be carried in different fields, and the fields are independent of each other and do not overlap.
  • the network device sends the PDCCH on the at least one CORESET corresponding to the BWP 0. Accordingly, the terminal device directly acquires at least one corresponding to the BWP 0 from the configuration information of the B WP 0 CORESET information, and monitoring the PDCCH sent by the network device in the at least one CORESET; if the target BWP currently used by the terminal device is BWP 1, the network device sends the PDCCH on at least one CORESET corresponding to the BWP 1, and correspondingly, the terminal device Obtaining information of at least one CORESET corresponding to the BWP 1 from the configuration information of the BWP 1 and monitoring the PDCCH sent by the network device in the at least one CORESET; if the target BWP currently used by the terminal device is BWP 2, the network device Transmitting the PDCCH on the at least one CORESET corresponding to the BWP 2, and correspondingly, the terminal device directly acquires information of
  • the terminal device acquires information of at least a CORESET BWP 3 corresponds to the configuration information from the BWP 3 directly, and the at least one network monitoring device CORESET PDCCH transmitted.
  • the configuration information of each BWP carries the information of the control resource set corresponding to the BWP, it is not necessary to separately indicate the control resource set and the resource mapping relationship between the control resource set and the BWP, thereby saving Signaling overhead, and facilitating the terminal device to quickly determine at least one control resource set corresponding to each BWP.
  • the resource configuration information includes configuration information of each of the M BWPs and configuration information of the N control resource sets, where configuration information of the i-th BWP in the M BWPs includes the i-th BWP Information, the configuration information of the jth control resource set in the N control resource sets includes information of the jth control resource set, and an index of the BWP corresponding to the jth control resource set, i from 0 to Ml , j from 0 to N-1.
  • the resource configuration information includes configuration information of M BWPs and configuration information of N control resource sets.
  • the configuration information of M BWPs can occupy M independent fields respectively.
  • the configuration information of the N control resource sets also occupy N independent fields, and the configuration information of each control resource set is carried in a dedicated continuous field.
  • the configuration information of each BWP in the resource configuration information includes the information of the BWP, and the configuration information of each control resource set in the resource configuration information includes the information of the control resource set and the BWP of the control resource set. index.
  • the fields here may also be referred to as a sequence, a field, an information field, and the like.
  • the configuration information of the jth control resource set of the N control resource sets includes information of the jth control resource set, for example, information of frequency domain resources occupied by the jth control resource set in its corresponding BWP, and further An index of the BWP corresponding to the control resource set is included.
  • the BWP indicated by the index is the BWP corresponding to the control resource set.
  • the different control resource sets may correspond to the same or different BWPs, for example, the BWP indexes carried in the configuration information of any two control resource sets may be the same or different.
  • the information of the jth control resource set includes information of frequency domain resources occupied by the jth control resource set in the BWP corresponding to the jth control resource set.
  • the information of the jth control resource set further includes information (also may be referred to as a search space) for monitoring the time domain resource of the PDCCH in the jth control resource, for example, Information for monitoring time slots or symbols of the PDCCH.
  • the terminal device may select to carry the configuration information in the N control resource sets. Obtaining at least one configuration information of an index of the target BWP, and acquiring the corresponding to the target BWP from the at least one configuration information carrying an index of the target BWP At least one piece of information that controls the set of resources.
  • the resource configuration information includes configuration information of M BWPs and configuration information of N control resource sets.
  • the BWP 0 configuration information includes the BWP 0 information
  • the BWP 1 configuration information includes the BWP 1 information
  • the BWP 2 configuration information includes the BWP 2 information
  • the BWP 3 configuration information includes the BWP 3 information.
  • the configuration information of the control resource set 0 includes an index (index 0) of the BWP to which the control resource set 0 belongs, and information of the frequency domain resource that the control resource set 0 occupies in the BWP indicated by the index 0;
  • the configuration information includes an index (index 1) of the BWP to which the control resource set 1 belongs, and information of the frequency domain resource occupied by the control group 1 in the BWP indicated by the index 1;
  • the configuration information of the control resource set 2 includes the control The index of the BWP to which the resource set 2 belongs (index 0), and the information of the frequency domain resource that the control resource set 2 occupies in the BWP indicated by the index 0;
  • the configuration information of the control resource set 3 includes the BWP to which the control resource set 3 belongs.
  • the configuration information of the control resource set 4 includes the index (index 0) of the BWP to which the control resource set 4 belongs. And controlling the frequency domain resource occupied by the resource set 4 in the BWP indicated by the index 0; the configuration information of the control resource set 5 includes the control resource set 5 The index of the BWP (index 0), and the information of the frequency domain resource that the control resource set 5 occupies in the BWP indicated by the index 0; the configuration information of the control resource set 6 includes the index of the BWP to which the control resource set 6 belongs (index 2), and control information of the frequency domain resource occupied by the resource set 6 in the BWP indicated by the index 2; the configuration information of the control resource set 7 includes an index (index 3) of the BWP to which the control resource set 7 belongs, and the control resource The information of the frequency domain resource occupied by the set 7 in the BWP indicated by the index 3;
  • the configuration information of each control resource set includes information of the control resource set and an index of the BWP corresponding to the control resource set.
  • the index of the BWP in the configuration information of each control resource set indicates one BWP in the M BWPs.
  • the configuration information carrying the index 0 includes configuration information of CORESET 0, CORESET 1, CORESET 2, and CORESET 3. At least one control resource set corresponding to the BWP indicated by index 0 is CORESET 0, CORESET 1, CORESET 2, and CORESET 3.
  • the terminal device acquires the information of the BWP from the configuration information of the BWP indicated by the index 0, and monitors the PDCCH transmitted by the network device in the CORESET 0, CORESET 1, CORESET 2, and CORESET 3 located in the BWP.
  • the configuration information of the CORESET and the configuration information of the BWP are indicated by independent fields, and the index of the BWP corresponding to the CORESET is added to the configuration information of each CORESET, and a more flexible CORESET can be realized compared to the form 1. Configuration.
  • the resource configuration information may include configuration information of other control resource sets except the N control resource sets in addition to the configuration information of the N control resource sets.
  • the resource configuration information further includes configuration information of at least one common control resource set, and the configuration information of the common control resource set includes information of frequency domain resources occupied by the common control resource set (also referred to as a search space). (search space)), or may further include information for monitoring symbols or time slots of the PDCCH.
  • the configuration information of the common control resource set may include, for example, information of frequency domain resources occupied by the common control resource set, and may not include a BWP index.
  • the resource mapping relationship between the BWP and the CORESET is embodied by the affiliation between the BWP and the CORESET. Specifically, the affiliation is added by a field specific to the configuration information of a certain BWP.
  • the BWP corresponds to the CORESET information to be implemented.
  • the configuration information of the BWP and the configuration information of the CORESET are independent, the configuration information of the BWP normally indicates the B WP, and the configuration information of the CORESET includes not only the information of the frequency domain resource occupied by the CORESET, but also Indicates the index (or number) of the BWP for this CORESET.
  • FIG. 5 is a schematic block diagram of a terminal device 500 according to an embodiment of the present application. As shown in FIG. 5, the terminal device 500 includes a receiving unit 510 and a monitoring unit 520. among them:
  • the receiving unit 510 is configured to receive resource configuration information that is sent by the network device, where the resource configuration information is used to indicate a resource mapping relationship between the M bandwidth segment BWPs and the N control resource sets, where M and N are positive integers;
  • the monitoring unit 520 is configured to monitor, according to the resource mapping relationship, the physicality sent by the network device on at least one control resource set corresponding to the target BWP used by the terminal device.
  • Downlink control channel PDCCH Downlink control channel
  • the network device may send the PDCCH by using different control resource sets. Accordingly, the terminal device performs the PDCCH on the control resource set corresponding to the currently used BWP.
  • the monitoring enables flexible transmission of the PDCCH in different frequency domain resources, improves transmission efficiency, and reduces power consumption of the terminal device.
  • the resource configuration information includes configuration information of each of the M BWPs, where configuration information of the i-th BWP of the M BWPs includes information of the i-th BWP, and Information of at least one control resource set corresponding to the i-th BWP, where i is from 0 to M-1.
  • the terminal device further includes a processing unit, configured to: obtain, from the configuration information of the target BWP, information of the at least one control resource set corresponding to the target BWP.
  • the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes information about frequency domain resources occupied by the control resource set in the i-th BWP.
  • the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes information about the time domain resources used by the control resource set to monitor the PDCCH.
  • the information of the time domain resource includes information for monitoring a time slot or a symbol of the PDCCH.
  • the resource configuration information includes configuration information of each of the M BWPs and configuration information of each of the N control resource sets.
  • the configuration information of the i-th BWP of the M BWPs includes the information of the i-th BWP
  • the configuration information of the j-th control resource set of the N control resource sets includes the j-th control
  • the terminal device further includes: a processing unit, configured to: in the configuration information of the N control resource sets, select at least one configuration information that carries an index of the target BWP, and carry the target BWP from In the at least one configuration information of the index, information of the at least one control resource set corresponding to the target BWP is acquired.
  • a processing unit configured to: in the configuration information of the N control resource sets, select at least one configuration information that carries an index of the target BWP, and carry the target BWP from In the at least one configuration information of the index, information of the at least one control resource set corresponding to the target BWP is acquired.
  • the information of the jth control resource set includes information of frequency domain resources occupied by the jth control resource set in the BWP corresponding to the jth control resource set.
  • the information of the jth control resource set further includes the jth control resource set Information for monitoring time domain resources of the PDCCH.
  • the information of the time domain resource includes information for monitoring a time slot or a symbol of the PDCCH.
  • terminal device 500 can perform the corresponding operations performed by the terminal device in the foregoing method 200. For brevity, details are not described herein again.
  • FIG. 6 is a schematic block diagram of a network device 600 in accordance with an embodiment of the present application.
  • the network device 600 includes a sending unit 610, configured to: send resource configuration information to the terminal device, where the resource configuration information is used to indicate resources between the M bandwidth segment BWPs and the N control resource sets. Mapping relationship, M and N are positive integers.
  • the network device may send the PDCCH by using different control resource sets. Accordingly, the terminal device performs the PDCCH on the control resource set corresponding to the currently used BWP.
  • the monitoring enables flexible transmission of the PDCCH in different frequency domain resources, improves transmission efficiency, and reduces power consumption of the terminal device.
  • the sending unit 610 is further configured to: use a target used by the terminal device
  • At least one control resource set corresponding to the BWP and transmitting a physical downlink control channel PDCCH to the terminal device.
  • the resource configuration information includes configuration information of each of the M BWPs, where configuration information of the i-th BWP of the M BWPs includes information of the i-th BWP, and Information of at least one control resource set corresponding to the i-th BWP, where i is from 0 to
  • the information of each control resource set in the at least one control resource set corresponding to the ith BWP includes information about frequency domain resources occupied by the control resource set in the ith BWP. .
  • the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes information about a time domain resource used to transmit the PDCCH in each control resource set.
  • the information of the time domain resource includes information for transmitting a time slot or a symbol of the PDCCH.
  • the resource configuration information includes configuration information of each of the M BWPs and the
  • the configuration information of the i-th BWP of the M BWPs includes information of the i-th BWP, and the jth of the N control resource sets
  • the configuration information of the control resource set includes information of the jth control resource set, and an index of the BWP corresponding to the jth control resource set, i from 0 to M1, j from 0 to N-1.
  • the information of the jth control resource set includes information of frequency domain resources occupied by the jth control resource set in the BWP corresponding to the jth control resource set.
  • the information of the jth control resource set further includes information about a time domain resource used for transmitting the PDCCH in the jth control resource set.
  • the information of the time domain resource includes information for transmitting a time slot or a symbol of the PDCCH.
  • the network device 600 can perform the corresponding operations performed by the network device in the foregoing method 200. For brevity, no further details are provided herein.
  • FIG. 7 is a schematic structural diagram of a communication device 700 according to an embodiment of the present application.
  • the communication device includes a processor 710, a transceiver 720, and a memory 730, wherein the processor 710, the transceiver 720, and the memory 730 communicate with each other through an internal connection path.
  • the memory 730 is for storing instructions
  • the processor 710 is configured to execute instructions stored in the memory 730 to control the transceiver 720 to receive signals or transmit signals.
  • the processor 710 can call the program code stored in the memory 730, and the corresponding operations performed by the terminal device in the method 200 are omitted for brevity.
  • the processor 710 can call the program code stored in the memory 730, and perform corresponding operations performed by the network device in the method 200.
  • the processor 710 can call the program code stored in the memory 730, and perform corresponding operations performed by the network device in the method 200.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • each step of the foregoing method embodiments may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA) or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the above with the hardware thereof. The steps of the law.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (Programmable ROM, PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read-only memory (EEPROM) or flash memory.
  • the volatile memory can be a random access memory (RAM) that acts as an external cache.
  • RAM random access memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Connection Dynamic Random Access Memory Synchronous Connection Dynamic Random Access Memory
  • SLDRAM Synchronous Connection Dynamic Random Access Memory
  • DR RAM direct memory bus random access memory
  • FIG. 8 is a schematic structural diagram of a system chip of an embodiment of the present application.
  • the system chip 800 of FIG. 8 includes an input interface 801, an output interface 802, at least one processor 803, and a memory 804.
  • the input interface 801, the output interface 802, the processor 803, and the memory 804 are interconnected by an internal connection path.
  • the processor 803 is configured to execute the code in the memory 804.
  • the processor 803 can implement the corresponding operations performed by the terminal device in the method 200. For the sake of brevity, we will not repeat them here.
  • the processor 803 can implement the corresponding operations performed by the network device in the method 200. For the sake of brevity, we will not repeat them here.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B according to A does not mean that B is determined only by A, and that B can be determined based on A and/or other information.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integration into another system, or some features can be ignored, or not executed.
  • the mutual engagement or direct engagement or communication connection shown or discussed may be an indirect engagement or communication connection through some interface, device or unit, and may be in electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one monitoring unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
  • the technical solution of the present application which is essential to the prior art or part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a Read-Only Memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention concerne un procédé et un dispositif d'attribution de ressources. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit des informations d'attribution de ressources envoyées par un dispositif de réseau, les informations d'attribution de ressources servant à indiquer une relation de mappage de ressources entre M parties de bande passante (BWP) et N ensembles de ressources de commande, M et N étant des nombres entiers positifs ; et le dispositif de terminal surveille, en fonction de la relation de mappage de ressources, un canal de commande de liaison descendante physique (PDCCH) envoyé par le dispositif de réseau sur au moins un des ensembles de ressources de commande correspondant à une BWP cible utilisée par le dispositif terminal. Lorsque la BWP utilisée par le dispositif terminal est commutée dynamiquement parmi de multiples BWP, le dispositif de réseau peut envoyer le PDCCH à l'aide de différents ensembles de ressources de commande, et le dispositif terminal met en oeuvre une surveillance de PDCCH sur l'ensemble de ressources de commande correspondant à la BWP actuellement utilisée. Par conséquent, l'invention permet de réaliser une transmission flexible de PDCCH dans différentes ressources de domaine fréquentiel, d'améliorer l'efficacité de transmission et de réduire la consommation d'énergie du dispositif terminal.
PCT/CN2018/072217 2018-01-11 2018-01-11 Procédé et dispositif d'attribution de ressources WO2019136656A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AU2018402131A AU2018402131A1 (en) 2018-01-11 2018-01-11 Resource allocation method and device
CN202010463072.5A CN111698781B (zh) 2018-01-11 2018-01-11 资源配置的方法和设备
EP18899783.7A EP3749028B1 (fr) 2018-01-11 2018-01-11 Procédé et dispositif d'attribution de ressources
KR1020207023088A KR20200108327A (ko) 2018-01-11 2018-01-11 리소스 구성 방법 및 디바이스
JP2020537687A JP2021515995A (ja) 2018-01-11 2018-01-11 リソース構成の方法およびデバイス
PCT/CN2018/072217 WO2019136656A1 (fr) 2018-01-11 2018-01-11 Procédé et dispositif d'attribution de ressources
CN201880066732.7A CN111226477A (zh) 2018-01-11 2018-01-11 资源配置的方法和设备
TW108101249A TW201931923A (zh) 2018-01-11 2019-01-11 資源配置的方法和設備
US16/879,617 US20200288447A1 (en) 2018-01-11 2020-05-20 Resource configuration method and device

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KR20200108327A (ko) 2020-09-17
EP3749028B1 (fr) 2022-09-28
US20200288447A1 (en) 2020-09-10
EP3749028A1 (fr) 2020-12-09
AU2018402131A1 (en) 2020-09-03
CN111698781A (zh) 2020-09-22
CN111698781B (zh) 2022-02-15
TW201931923A (zh) 2019-08-01
CN111226477A (zh) 2020-06-02
EP3749028A4 (fr) 2021-03-10

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